... any kinds of ceramic infrared heaters 2,ceramic heaters infrared 3,OCr20Ni80 resistance wire Ceramic infrared heater / Far infrared ceramic heating platesa) ... 60mm b) yellow, black, whitec) OCr20Ni80 resistance wire Ceramic infrared heater is made out of ceramics.1. Radioactive properties: ... greater than 0.83.2. Thermal response time: from room normal temperature to a constant value of the radiant ...